Answered

1)Tan's electricity bill for the month of august was $267. His September. bill showed a 2% increase from his august bill. In October, his bill decreased 8% from the amount he was nilled in august. How much did tan spend on electricity over the three-month period?

A$800.94
B$774.30
C$827.70
D$784.94

Verified Answer :

Neuron

If you would like to know how much did Tan spend on electricity over the three-month period, you can calculate this using the following steps:

August: $267
September: 2% * $267 = 2/100 267 = $5.34
                   $267 + $5.34 = $272.34
October: 8% $267 = 8/100 * 267 = $21.36
               $267 - $21.36 = $245.64

Now, you have to add this three numbers: $267 + $272.34 + $245.64 = $784.98

The result is none of the listed above, because the correct result is $784.98.

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